pin sparse to 0.9.1

Zethson · davidsebfischer · commit f2b167718954 · 2022-08-06T14:07:41.000+02:00
fixes #194
diff --git a/requirements.txt b/requirements.txt
@@ -12,4 +12,4 @@ sphinx-autodoc-typehints
 sphinx_rtd_theme
 jinja2
 docutils
-
+sparse==0.9.1
